Epson DFX-8500 service manual Carriage operation is abnormal, End

DFX-8500

2.Carriage operation is abnormal.

START

Are the
connectors listed in		No
NOTE 1				Reinsert the connectors.
inserted securely?
	Yes
			No		Is the
					fault corrected?
						Yes
					END
Manually move the		Not smooth
carriage to see if
movement is smooth
or not.
	Smooth

Check the

Refer to Section 5.3, Repair of the Printer Mechanism. Perform repair necessary.

CR motor and CR Yes motor drivers using

amultimeter.

OK?

No

If the motor is bad, replace. If drivers are bad, replace at the same time.

Yes	Is the
	fault corrected?
		No

No	Is the
	fault corrected?
		Yes

END

Replace the C204 MAIN board and/or C204 DRV board.

END

NOTE 1: Check the following connectors:

Junction board connector to interlock switch Junction board connector to CR motor Head junction board connectors to printhead CN4 of C204 MAIN board to head junction board

5-6 Rev. B